Butterfly looks difficult, but maybe one could manage a couple of kilometers of crawl. See www.michaelphelpsswimspa.com. Via the17thman.
How about a Michael Phelps signature swim spa ?
By rokur
rokur
Production engineer and certified swim coach. Full-time IT consultant, spare-time swimming aficionado. 2 sons, 2 daughters and a wife. President of the Faroe Islands Swimming Association. Likes to run :-)